This dataset aggregates hourly time series of Sulfur Dioxide (SO₂) concentrations collected by a network of air quality monitoring stations. The file uses a hybrid format, where structured data (CSV-like) is stored within a NetCDF container. Content Details: Time Range: From Jan 1, 2008, to Dec 13, 2023. Monitored Pollutant: SO₂ (Sulfur Dioxide). Measurement Unit: µg/m³ (micrograms per cubic meter). Data Structure: Station Name | Pollutant | Unit | Measured Value | Date & Time. Included Stations: Contains data from multiple stations, including Congonhas and São Caetano do Sul (Greater São Paulo, Brazil).